Inorganic Ventures' 1000 ppm Gold for AA is a certified reference material set in a sodium cyanide matrix for stability. This gold standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . Size: …

Inorganic Ventures' 1000 ppm Zinc for AA is a certified reference material set in a sodium cyanide matrix for stability. This zinc standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . Size: …

Inorganic Ventures' 1000 ppm Silver for AA is a certified reference material set in a sodium cyanide matrix for stability. This silver standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

Inorganic Ventures' 1000 ppm Copper for AA is a certified reference material set in a sodium cyanide matrix for stability. This copper standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …